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Li Zhong 231e97e2b8 mem-hotplug: use nodes that contain memory as mask in new_node_page() 
9bb627be47a5 ("mem-hotplug: don't clear the only node in new_node_page()")
prevents allocating from an empty nodemask, but as David points out, it is
still wrong.  As node_online_map may include memoryless nodes, only
allocating from these nodes is meaningless.

This patch uses node_states[N_MEMORY] mask to prevent the above case.

Fixes: 9bb627be47a5 ("mem-hotplug: don't clear the only node in new_node_page()")
Fixes: 394e31d2ceb4 ("mem-hotplug: alloc new page from a nearest neighbor node when mem-offline")
Link: http://lkml.kernel.org/r/1474447117.28370.6.camel@TP420
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Suggested-by: David Rientjes <rientjes@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: John Allen <jallen@linux.vnet.ibm.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-09-28 16:19:02 -07:00
..
kasan
kasan: remove the unnecessary WARN_ONCE from quarantine.c
2016-08-11 16:58:14 -07:00
backing-dev.c
block: fix bdi vs gendisk lifetime mismatch
2016-08-04 14:19:16 -06:00
balloon_compaction.c
mm: balloon: use general non-lru movable page feature
2016-07-26 16:19:19 -07:00
bootmem.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
cleancache.c
cleancache: constify cleancache_ops structure
2016-01-27 09:09:57 -05:00
cma_debug.c
…
cma.c
mm/cma: silence warnings due to max() usage
2016-05-27 14:49:37 -07:00
cma.h
…
compaction.c
mm, compaction: simplify contended compaction handling
2016-07-28 16:07:41 -07:00
debug_page_ref.c
mm/page_ref: add tracepoint to track down page reference manipulation
2016-03-17 15:09:34 -07:00
debug.c
mm: avoid endless recursion in dump_page()
2016-09-19 15:36:16 -07:00
dmapool.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
early_ioremap.c
mm/early_ioremap: use offset_in_page macro
2015-11-05 19:34:48 -08:00
fadvise.c
mm/fadvise.c: do not discard partial pages with POSIX_FADV_DONTNEED
2016-06-09 14:23:11 -07:00
failslab.c
mm: fault-inject take over bootstrap kmem_cache check
2016-03-15 16:55:16 -07:00
filemap.c
block/mm: make bdev_ops->rw_page() take a bool for read/write
2016-08-07 14:41:02 -06:00
frame_vector.c
mm/gup: Switch all callers of get_user_pages() to not pass tsk/mm
2016-02-16 10:11:12 +01:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
- ARM: GICv3 ITS emulation and various fixes. Removal of the old
2016-08-02 16:11:27 -04:00
highmem.c
mm/highmem: make nr_free_highpages() handles all highmem zones by itself
2016-05-19 19:12:14 -07:00
huge_memory.c
mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing
2016-09-25 15:43:42 -07:00
hugetlb_cgroup.c
mm, hugetlb_cgroup: round limit_in_bytes down to hugepage size
2016-05-20 17:58:30 -07:00
hugetlb.c
mm/hugetlb: fix incorrect hugepages count during mem hotplug
2016-08-11 16:58:13 -07:00
hwpoison-inject.c
hwpoison: use page_cgroup_ino for filtering by memcg
2015-09-10 13:29:01 -07:00
init-mm.c
…
internal.h
mm, compaction: simplify contended compaction handling
2016-07-28 16:07:41 -07:00
interval_tree.c
…
Kconfig
mm: clarify COMPACTION Kconfig text
2016-08-26 17:39:35 -07:00
Kconfig.debug
mm/page_ref: add tracepoint to track down page reference manipulation
2016-03-17 15:09:34 -07:00
khugepaged.c
mm, thp: fix leaking mapped pte in __collapse_huge_page_swapin()
2016-09-19 15:36:16 -07:00
kmemcheck.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
kmemleak: don't hang if user disables scanning early
2016-07-28 16:07:41 -07:00
ksm.c
mm,ksm: fix endless looping in allocating memory when ksm enable
2016-09-28 16:19:01 -07:00
list_lru.c
mm: memcontrol: move kmem accounting code to CONFIG_MEMCG
2016-01-20 17:09:18 -08:00
maccess.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
madvise.c
mm: make mmap_sem for write waits killable for mm syscalls
2016-05-23 17:04:14 -07:00
Makefile
Implements HARDENED_USERCOPY verification of copy_to_user/copy_from_user
2016-08-08 14:48:14 -07:00
memblock.c
mm/memblock.c: fix NULL dereference error
2016-08-04 20:02:09 -04:00
memcontrol.c
mm: memcontrol: make per-cpu charge cache IRQ-safe for socket accounting
2016-09-19 15:36:17 -07:00
memory_hotplug.c
mem-hotplug: use nodes that contain memory as mask in new_node_page()
2016-09-28 16:19:02 -07:00
memory-failure.c
mm: hwpoison: remove incorrect comments
2016-07-28 16:07:41 -07:00
memory.c
mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing
2016-09-25 15:43:42 -07:00
mempolicy.c
mm, mempolicy: task->mempolicy must be NULL before dropping final reference
2016-09-01 17:52:01 -07:00
mempool.c
Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are free elements"
2016-07-28 16:07:41 -07:00
memtest.c
memtest: remove unused header files
2015-09-08 15:35:28 -07:00
migrate.c
mm, thp: remove __GFP_NORETRY from khugepaged and madvised allocations
2016-07-28 16:07:41 -07:00
mincore.c
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
mlock.c
mm, vmscan: move LRU lists to node
2016-07-28 16:07:41 -07:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
mm: refuse wrapped vm_brk requests
2016-08-02 19:35:15 -04:00
mmu_context.c
mm/mmu_context, sched/core: Fix mmu_context.h assumption
2016-04-28 11:44:19 +02:00
mmu_notifier.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
mmzone.c
mm, page_alloc: inline the fast path of the zonelist iterator
2016-05-19 19:12:14 -07:00
mprotect.c
mm: thp: check pmd_trans_unstable() after split_huge_pmd()
2016-07-26 16:19:19 -07:00
mremap.c
mm: thp: check pmd_trans_unstable() after split_huge_pmd()
2016-07-26 16:19:19 -07:00
msync.c
mm/msync: use offset_in_page macro
2015-11-05 19:34:48 -08:00
nobootmem.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
nommu.c
mm: introduce fault_env
2016-07-26 16:19:19 -07:00
oom_kill.c
mm, oom: fix uninitialized ret in task_will_free_mem()
2016-08-11 16:58:14 -07:00
page_alloc.c
mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator
2016-09-01 17:52:01 -07:00
page_counter.c
mm: page_counter: let page_counter_try_charge() return bool
2015-11-05 19:34:48 -08:00
page_ext.c
mm: use early_pfn_to_nid in page_ext_init
2016-05-27 14:49:37 -07:00
page_idle.c
mm, vmscan: move lru_lock to the node
2016-07-28 16:07:41 -07:00
page_io.c
mm: fix the page_swap_info() BUG_ON check
2016-09-19 15:36:17 -07:00
page_isolation.c
mm/page_isolation: clean up confused code
2016-07-26 16:19:19 -07:00
page_owner.c
mm/page_owner: use stackdepot to store stacktrace
2016-07-26 16:19:19 -07:00
page_poison.c
mm: check the return value of lookup_page_ext for all call sites
2016-06-03 15:06:22 -07:00
page-writeback.c
mm: remove reclaim and compaction retry approximations
2016-07-28 16:07:41 -07:00
pagewalk.c
thp: rename split_huge_page_pmd() to split_huge_pmd()
2016-01-15 17:56:32 -08:00
percpu-km.c
mm: percpu: use pr_fmt to prefix output
2016-03-17 15:09:34 -07:00
percpu-vm.c
…
percpu.c
percpu: fix synchronization between synchronous map extension and chunk destruction
2016-05-25 11:48:25 -04:00
pgtable-generic.c
mm/thp/migration: switch from flush_tlb_range to flush_pmd_tlb_range
2016-03-17 15:09:34 -07:00
process_vm_access.c
mm/gup: Introduce get_user_pages_remote()
2016-02-16 10:04:09 +01:00
quicklist.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
readahead.c
mm: silently skip readahead for DAX inodes
2016-08-26 17:39:35 -07:00
rmap.c
rmap: fix compound check logic in page_remove_file_rmap
2016-08-10 16:40:56 -07:00
shmem.c
huge tmpfs: fix Committed_AS leak
2016-09-24 11:20:01 -07:00
slab_common.c
mm: charge/uncharge kmemcg from generic page allocator paths
2016-07-26 16:19:19 -07:00
slab.c
Implements HARDENED_USERCOPY verification of copy_to_user/copy_from_user
2016-08-08 14:48:14 -07:00
slab.h
mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
2016-07-28 16:07:41 -07:00
slob.c
mm: slab: free kmem_cache_node after destroy sysfs file
2016-02-18 16:23:24 -08:00
slub.c
mm/slub.c: run free_partial() outside of the kmem_cache_node->list_lock
2016-08-10 16:40:56 -07:00
sparse-vmemmap.c
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
sparse.c
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
swap_cgroup.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
swap_state.c
mm: move most file-based accounting to the node
2016-07-28 16:07:41 -07:00
swap.c
mm, pagevec: release/reacquire lru_lock on pgdat change
2016-07-28 16:07:41 -07:00
swapfile.c
mm: fix the page_swap_info() BUG_ON check
2016-09-19 15:36:17 -07:00
truncate.c
truncate: handle file thp
2016-07-26 16:19:19 -07:00
usercopy.c
mm: usercopy: Check for module addresses
2016-09-20 16:07:39 -07:00
userfaultfd.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
util.c
mm: move most file-based accounting to the node
2016-07-28 16:07:41 -07:00
vmacache.c
mm/vmacache: inline vmacache_valid_mm()
2015-11-05 19:34:48 -08:00
vmalloc.c
mm: charge/uncharge kmemcg from generic page allocator paths
2016-07-26 16:19:19 -07:00
vmpressure.c
mm/vmpressure.c: fix subtree pressure detection
2016-02-03 08:28:43 -08:00
vmscan.c
mm: delete unnecessary and unsafe init_tlb_ubc()
2016-09-24 11:20:01 -07:00
vmstat.c
mm: remove reclaim and compaction retry approximations
2016-07-28 16:07:41 -07:00
workingset.c
mm, workingset: make working set detection node-aware
2016-07-28 16:07:41 -07:00
z3fold.c
mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup
2016-06-03 16:02:55 -07:00
zbud.c
mm/zbud.c: use list_last_entry() instead of list_tail_entry()
2016-01-15 11:40:52 -08:00
zpool.c
mm: zsmalloc: constify struct zs_pool name
2015-11-06 17:50:42 -08:00
zsmalloc.c
zsmalloc: Delete an unnecessary check before the function call "iput"
2016-07-28 16:07:41 -07:00
zswap.c
mm/zswap: use workqueue to destroy pool
2016-05-20 17:58:30 -07:00